it is absolutely closed. everything from here on out is going to be hard. >> it is even hard to hear you say that. but, you know, that's how it feels as we are watching all of this go on and develop in ukraine. general repass, thank you so much for giving us your analysis on this. we really appreciate it. >> thank you. so we're getting word that ukraine is now asking for immediate help in safeguarding nuclear sites. you see this, this is brand-new video that is in. these are workers blocking russians from advancing. remarkable examples of resistance, trying to get them away from the nuclear facility, even as russia is stepping up its attacks on civilian targets.